Trail Running calendar near Builth Wells 2026-2027

We have found 281 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

The Black Mountains 50 presents four rugged distances through the Brecon Beacons National Park on July 11, 2026. This self-navigated trail event provides full support with checkpoints, medical care, and tracking for all runners. Participant..

Run through the stunning trails of Eryri (Snowdonia) National Park in North Wales. This event offers four distances, from a 10k to an Ultra Marathon, all starting from the adventure town of Llanberis. The route passes iconic locations inclu..

UTMB Index

A 24-hour endurance challenge on Yr Wyddfa (Snowdon). Participants aim to complete as many ascents as possible, solo or in teams. The event is UTMB-indexed for solo runners.

Explore the Worcestershire countryside on foot this July. The Hallow 12 Parish Challenge offers five circular routes, from 10 to 40 miles, through a dozen local parishes. Your entry includes checkpoint snacks and a hot meal at the finish.

Run the scenic Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley with 10K, half marathon and marathon distances. Enjoy marked trails, aid stations, a finisher medal and a cake competition.

Run through the scenic roads, woods, and trails of Ludlow. Choose your distance from a 5k, 10k, or half marathon. This morning event is set for July 2026.

Explore the UK's first Area of Outstanding Natural Beauty on the Gower Peninsula. Choose from distances of 10 km to 100 km to walk, jog, or run, with full support including camping, meals, and medical teams. New for 2026 are competitive cat..

UTMB Index

Rabbit Run Wales offers stunning trail races on the private Merthyr Mawr Estate. Runners can choose a 12K route over hills, valleys, and sand dunes, or a 40K tour along the dramatic Glamorgan Heritage Coast.

Event Overview The Welsh 3000 Challenge (14 Peaks) is a guided mountain running and walking event that involves climbing all 15 mountains in Snowdonia, Wales, that are over 3000 feet high in a continuous journey. The total route is about 50..

Tame the Dragon on the Wales Coast Path. Choose from 100, 50, or 30-mile ultramarathons, starting at iconic coastal spots and finishing together at Cardiff Bay. Experience clear trails, golden beaches, and a legendary finale across the barr..

UTMB Index

A multi-distance event on the Wye Valley Greenway featuring a 1.1 km tunnel, flat former-railway trails and family Colourburst fun runs. Routes are waymarked and marshalled with feed stations and on-site facilities.

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.

Take on the Selworthy Beacon Fell Race on Sun 19 Jul 2026, a punchy 6.2 km with 305 m of climb from Bossington National Trust car park. Pre entry or day entry available for a classic short fell test with stunning coastal views.

Tackle a scenic 10 km trail run at Llys-y-frân Lake, part of the 2026 RTT Series. The route offers varied terrain with beautiful lakeside and woodland views. Runners receive a finisher's medal and chip timing.

Take on the Paddy Buckley Round, a three day guided traverse of Northern Snowdonia's major ranges. The route covers over 100km with 9000m of ascent, visiting 47 summits. You'll be supported by experienced leaders and a vehicle, with the gro..

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

A self‑navigated *100 km* ultramarathon along the Beacons Way with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and mandatory map-and-compass navigation; places are limited and mandatory kit is enforced.

A 100 miles race across the Brecon Beacons on 25 July 2026, following the Beacons Way from Abergavenny Castle with 10 checkpoints, 6143 m ascent and live GPS tracking. Entrants must meet age, experience and mandatory kit requirements.

The Railway Ultra follows a disused railway line along the River Severn between Ironbridge and Bridgnorth. Runners can choose from five distances, from 9 miles up to 37 miles. The flat, scenic route features industrial heritage and includes..

Ultra X Wales offers a multi-day trail running weekend in the Brecon Beacons with six distances, from a 12 km run to a challenging 110 km ultra. The event features fully stocked aid stations and is a UTMB Index Race. Runners under 23 can pa..

UTMB Index